It was telling to me at the time that actual business results directly contrary to hypothesized outcomes identified in advance are treated as having no informational value with regards to the original claim.
So, your new working hypothesis is what, that Mac users secretly prefer Java UIs? That might prove too much.
I don't think it's a secret that Mac users are, by and large, more comfortable than Windows users at paying for and installing software. The paradox of choice is in less egregious effect, and they have fewer scars from past attempts.